DF_Document.hxx

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// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef DFDOCUMENT_HXX
#define DFDOCUMENT_HXX

#include "DF_definitions.hxx"
#include "DF_Label.hxx"

#include <string>

class DF_Application;

//Class DF_Document is container for user's data stored as a tree of Labels
//with assigned Attributes
class DF_Document {
public:
  //Constructor
  Standard_EXPORT DF_Document(const std::string& theDocumentType);

  Standard_EXPORT ~DF_Document();

  Standard_EXPORT DF_Application* GetApplication();    

  //Returns a Label of this Document with entry "0:1"
  Standard_EXPORT DF_Label Main();

  //Returns a root Label with entry "0:"
  Standard_EXPORT DF_Label Root();

  //Returns an ID of this 
  Standard_EXPORT int GetDocumentID() const;

  //Returns a type of the Document
  Standard_EXPORT std::string GetDocumentType();

  //Clears the content of this Document
  Standard_EXPORT void Clear();

  //Returns true if this document is empty
  Standard_EXPORT bool IsEmpty();

  //Returns true if this document is modified
  Standard_EXPORT bool IsModified();

  //Returns true if this document is modified
  Standard_EXPORT void SetModified(bool isModified); 

  //########### Load/Save virtual methods ##

  //Restores a content of the Document from the std::string theData
  Standard_EXPORT virtual void Load(const std::string& theData);

  //Converts a content of the Document into the std::string
  Standard_EXPORT virtual std::string Save();

  friend class DF_Application;

private:
  DF_Label    _main;
  DF_Label    _root;
  std::string _type;
  int         _id;
  bool        _modified;
  DF_Application* _appli;
};

#endif